Question

DATE
Simultaneous
equatio
solve the following
2x -y-3=0
4x-y-5=0​

Answer 1

Answer:

2x+3y=5 (×3)

3x+y=4. (×2)

6x+9y=15……..A

6x+2y=8………..B

Subtract B from A

7y=7

y=7/7

y=1.

But

3x+y=4

Substitute the value of y in the above equation

3x=4-y

x=4-y/3

x=4-1/3

=3/3

x=1.

x=1, y=1.